FR930015A - Lampes thermioniques - Google Patents
Lampes thermioniquesInfo
- Publication number
- FR930015A FR930015A FR930015DA FR930015A FR 930015 A FR930015 A FR 930015A FR 930015D A FR930015D A FR 930015DA FR 930015 A FR930015 A FR 930015A
- Authority
- FR
- France
- Prior art keywords
- thermionic
- lamps
- thermionic lamps
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
- H01J19/28—Non-electron-emitting electrodes; Screens
- H01J19/38—Control electrodes, e.g. grid
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
- H01J2893/0012—Constructional arrangements
- H01J2893/0015—Non-sealed electrodes
- H01J2893/0018—Bar or cage-like grids
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB930015X | 1944-07-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR930015A true FR930015A (fr) | 1948-01-14 |
Family
ID=10728356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR930015D Expired FR930015A (fr) | 1944-07-24 | 1946-06-29 | Lampes thermioniques |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR930015A (fr) |
-
1946
- 1946-06-29 FR FR930015D patent/FR930015A/fr not_active Expired
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